Quarantine and prayer mostly. Other methods included carrying pomanders or other sweet smelling things on the assumption it was foul air which would make them sick. Bodies were buried in mass graves, though excavations have found a lot of the usual burial rituals were still followed, so it was probably more about the sheer number … Read more

Some of the liquid will evaporate, but it'll leave a residue. You can sometimes extract DNA from semen stains months afterwards, even after multiple washings, suggesting it's pretty tough to remove completely!

For the most part - you have less knowledge and life experience to base decisions on, etc, and tend to have fewer worries / responsibilities. Not that you can't behave stupidly at any age, of course! ;)

You could argue that they don't give an accurate reflection of ability - you could be ill, or whatever, which adversely affects you on the day you sit the exam. Continuous assessment and coursework gives a much better idea of how capable you are on a day to day basis.